An Y, Choi D, Lee T, Park S, Jung M, Jang H, Shim G.  Association between Self-Reported Health Status and Influenza Vaccination in Korean Adults: Analysis of the 2014–2015 Korea National Health and Nutrition Examination Survey.  KJFP 2021;11:247-255.  https://doi.org/10.21215/kjfp.2021.11.4.247